388464846720 has 128 divisors (see below), whose sum is σ = 1238842836000. Its totient is φ = 103539499008.

The previous prime is 388464846691. The next prime is 388464846727. The reversal of 388464846720 is 27648464883.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388464846727) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3923586 + ... + 4021374.

Almost surely, 2^388464846720 is an apocalyptic number.

388464846720 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 388464846720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (619421418000).

388464846720 is an abundant number, since it is smaller than the sum of its proper divisors (850377989280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

388464846720 is a wasteful number, since it uses less digits than its factorization.

388464846720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99880 (or 99868 counting only the distinct ones).

The product of its (nonzero) digits is 49545216, while the sum is 60.

The spelling of 388464846720 in words is "three hundred eighty-eight billion, four hundred sixty-four million, eight hundred forty-six thousand, seven hundred twenty".